The hex color #7528d3 is a dark color. The web-safe version is Hex
#6633CC. A complementary color is
#8AD72C. The grayscale version is
#7B7B7B. A 20% lighter version of the original color is
#A85BFF, and Hex
#4200A0 is the 20% darker color. If the color is saturated by 10%, you get
#7420DC. If the color is desaturated by 10%, the color
#7630CA is obtained.